| 摘要 |
<p>The sheath for receiving a head-rest branch includes at least one wedge (12) disposed in a window formed in a wall of the sheath (3) and adapted to be disposed between the bushing (2) and the branch (19), said wedge (12) having a thickness greater than that of said wall so that, when the sheath (3) is housed in the bushing (2) and the branch (19) is received in the sheath (3), the wedge (12) is compressed between the bushing (2) and the branch (19).</p> |
